1. France/ hot/ Britain, but Spain …
-> France is hotter than Britain, but Spain is the hottest.
 
2. Harry/ intelligent/ Paul, but Robert …
 -> Harry is more intelligent than Paul, but Robert is the most intelligent.
3. Magazines/ cheap/ books, but newspapers ...
-> Magazines are cheaper than books, but newspapers are the cheapest.
 
4. History/ interesting/ science, but music …
-> History is more interesting than science, but music is the most interesting.
 
5. Kate/ friendly/ Steve, but Wendy …
->Kate is friendlier than Steve, but Wendy is the friendliest.